Display screen with a graphical user interface



FIG. 1 is a front view of a display screen with a graphical userinterface showing the new design.

The broken lines in the FIGURE, both the broken lines of the bordershowing the remainder of the display screen and the icons in brokenlines, illustrate unclaimed environment and form no part of the claimeddesign.

CLAIM The ornamental design for a display screen with a graphical userinterface, as shown and described.